CN202974667U - Portable dynamic wheel type detecting instrument for roller counterforce type automobile brake check-out console - Google Patents
Portable dynamic wheel type detecting instrument for roller counterforce type automobile brake check-out console Download PDFInfo
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- CN202974667U CN202974667U CN 201220332152 CN201220332152U CN202974667U CN 202974667 U CN202974667 U CN 202974667U CN 201220332152 CN201220332152 CN 201220332152 CN 201220332152 U CN201220332152 U CN 201220332152U CN 202974667 U CN202974667 U CN 202974667U
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Abstract
The utility model discloses a portable dynamic wheel type detecting instrument for a roller counterforce type automobile brake check-out console, comprising a braking force loading and detecting apparatus, a wheel weight loading apparatus, a brake apparatus and a tire simulation apparatus. The brake apparatus and the tire simulation apparatus are arranged on a lower frame; the brake apparatus is drivingly connected with the tire simulation apparatus; the wheel weight loading apparatus comprises a ground mount, a pressure rod, a pressurization screw rod, an upper frame and a weighing sensor; and the braking force loading and detecting apparatus comprises a brake compressing device and a force transducer, the brake compressing device transmits the braking force to the brake apparatus, the force transducer is connected with the brake apparatus, a simulation signal is output by the force transducer to show the size of the braking force, the simulation signal is processed by a one-chip microcomputer and then uploaded to a computer, the computer calculates and displays a braking force rise curve, the largest braking force and the braking force of the dynamic wheel heavy. The utility model provides the beneficial technology effects as following: the braking force is dynamically detected, the work state of the automobile brake check-out console is simulated, and the detection authenticity and accuracy are high.
Description
Technical field
The utility model relates to a kind of detector of automotive inspection equipment, relates in particular to the wheeled calibrating instrument of a kind of roller counter-force type automobile brake inspection bench portable dynamic.
Background technology
Roller counter-force type automobile brake inspection bench is according to the requirement of act.std GB/T 13564-2005 and measurement verification regulations JJG906-2009, should carry out static verification in reinforcing on cylinder or on its equivalent position, exist following factor can cause testing result to have data difference due to brake test bench when the check vehicle: 1. gauge factor: software is played tricks, slip rate setting value and accuracy, power demarcation, circuit time constant, data acquisition and processing (DAP).2. the factor of mechanical stand and ground drag impact: centre of the drum apart from different, the front and back cylinder discrepancy in elevation different, whether speed reduction unit reaches maximum required torque, tire and ground drag, roller adhesion coefficient.3. other factors: speed touches on the brake, the wheel brake system.Therefore on the brake test bench that the static check result is qualified and vehicle, the brake test bench measured result differs greatly sometimes, and the real damping force of vehicle can't accurately be measured on brake test bench.
Summary of the invention
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art exactly, and a kind of calibrating instrument that the accuracy of roller counter-force type automobile brake inspection bench testing result is carried out dynamic check is provided.
The technical scheme that the utility model adopts is: the wheeled calibrating instrument of roller counter-force type automobile brake inspection bench portable dynamic comprises damping force loading and pick-up unit, wheel load charger, brake gear and analog wheel device of tyre; Described brake gear and analog wheel device of tyre are contained on lower bearing bracket, and brake gear and analog wheel device of tyre are in transmission connection; Described wheel load charger comprises ground fixed mount, press rods, pressurization screw rod, upper spider and LOAD CELLS, upper spider is fixed on an end of LOAD CELLS by screw rod, the other end of LOAD CELLS is fixedly connected with lower bearing bracket, the ground fixed mount fixes on the ground, the ground fixed mount is executed heavily press rods by the pressurization screw rod, and press rods is executed heavily the analog wheel device of tyre by upper spider, LOAD CELLS and lower bearing bracket successively; Damping force loads and pick-up unit comprises braking pressuring machine and power sensor, the braking pressuring machine passes to brake gear to damping force, the power sensor is connected with brake gear, the size of damping force is by power sensor outputting analog signal, simulating signal is uploaded to computing machine after processing by single-chip microcomputer, the damping force when computing machine calculates and demonstrate damping force upcurve and maximum braking force and dynamic wheel load
The technique effect that the utility model is useful is: the utility model utilizes the analog wheel device of tyre to simulate automobile runs on brake test bench, wheel load charger simulating vehicle wheel load, but load by LOAD CELLS the dynamic system power that the various truck wheel weights of stepping simulation detect, just know the accuracy of tested Vehicles Brake Test Bench Displaying Meter.Because the utility model carries out detection of dynamic to damping force, the duty of simulated automotive brake test bench, thereby have advantages of the authenticity of calibrating and accuracy high.
Description of drawings
Fig. 1: be structural representation of the present utility model;
Fig. 2: be the vertical view (increasing the braking pressuring machine) of Fig. 1;
Fig. 3: be the left view of Fig. 1;
Fig. 4: be stereographic map of the present utility model;
Fig. 5: the working state figure for the utility model on Vehicles Brake Test Bench.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
As shown in Fig. 1-4, the wheeled calibrating instrument of roller counter-force type automobile brake inspection bench portable dynamic comprises that damping force loads and pick-up unit 1, wheel load charger 2, brake gear 3 and analog wheel device of tyre 4; Described brake gear 3 and analog wheel device of tyre 4 are contained on lower bearing bracket 5, and brake gear 3 is in transmission connection with analog wheel device of tyre 4, and the present embodiment is that the sprocket wheel chain connects (as shown in Figure 3, sprocket wheel 1 and sprocket wheel 2 23), but also other modes such as gear connect; Described wheel load charger 2 comprises ground fixed mount 6, press rods 7, pressurization screw rod 8, upper spider 9 and LOAD CELLS 10, upper spider 9 is fixed on an end of LOAD CELLS 10 by screw rod 11, the other end of LOAD CELLS 10 is fixedly connected with lower bearing bracket 5, ground fixed mount 6 fixes on the ground, ground fixed mount 6 is executed heavily by 8 pairs of press rods 7 of pressurization screw rod, and press rods 7 is executed heavily by upper spider 9, LOAD CELLS 10 and 5 pairs of analog wheel device of tyre 4 of lower bearing bracket successively; Damping force loads and pick-up unit 1 comprises braking pressuring machine 12 and power sensor 13, braking pressuring machine 12 passes to brake gear 3 to damping force, power sensor 13 is connected with brake gear 3, the size of damping force is by power sensor 13 outputting analog signals, simulating signal is uploaded to computing machine after processing by single-chip microcomputer, the damping force when computing machine calculates and demonstrate damping force upcurve and maximum braking force and dynamic wheel load.The braking pressuring machine 12 of the present embodiment is the pressuring machine that surges, also available Pneumatic Pressure machine.
As shown in Fig. 1-2, described analog wheel device of tyre 4 comprises front-wheel 14, trailing wheel 15, front rotary shaft 16, rear rotating shaft 17 and bearing seat 18, front-wheel 14 is fixedly connected with rear rotating shaft 17 with front rotary shaft 16 respectively with trailing wheel 15, and the front-wheel 14 of the present embodiment and trailing wheel 15 are respectively two; Front rotary shaft 16 and rear rotating shaft 17 are in transmission connection, and the present embodiment is that the sprocket wheel chain connects (as shown in Figure 1, sprocket wheel 3 24 and sprocket wheel 4 25), but also other modes such as gear connect; Front rotary shaft 16 and rear rotating shaft 17 are contained on bearing seat 18, and bearing seat 18 is fixedly connected with lower bearing bracket 5; As shown in Figure 5, described front-wheel 14 (not shown)s and trailing wheel 15 are placed between the front roll 20 and back roll 21 of roller counter-force type automobile brake inspection bench 19.
As shown in Figure 4, described LOAD CELLS 10 is provided with four, is contained in respectively on four angles of lower bearing bracket 5, and LOAD CELLS 10 is measured wheel to the dynamic normal pressure of roller counter-force type automobile brake inspection bench when dynamic brake.
Principle of work: as shown in Figure 5, the wheeled calibrating instrument of roller counter-force type automobile brake inspection bench portable dynamic is placed on roller counter-force type automobile brake inspection bench 19, the simulation tire (front-wheel 14 and trailing wheel 15) of calibrating instrument is leaned against between the front roll 20 and back roll 21 of roller counter-force type automobile brake inspection bench 19, make different dynamic similation wheel loads apply different normal pressures by pressurization screw rod 8 to LOAD CELLS 10 during roller counter-force type automobile brake inspection bench 19 operation.When the simulation tire turns round on roller counter-force type automobile brake inspection bench 19; controlling brake gear 3 with the brake fluid press makes the simulation tyre braking system to slip rate back roll anti-force type Vehicles Brake Test Bench 19 auto stops that reach the setting of cylinder and wheel; the damping force of dynamic wheel load when this computer-chronograph just can calculate braking upcurve and maximum braking force and shutdown, and calculate retardation efficiency.
Claims (3)
1. the wheeled calibrating instrument of roller counter-force type automobile brake inspection bench portable dynamic, is characterized in that: comprise damping force loading and pick-up unit, wheel load charger, brake gear and analog wheel device of tyre; Described brake gear and analog wheel device of tyre are contained on lower bearing bracket, and brake gear and analog wheel device of tyre are in transmission connection; Described wheel load charger comprises ground fixed mount, press rods, pressurization screw rod, upper spider and LOAD CELLS, upper spider is fixed on an end of LOAD CELLS by screw rod, the other end of LOAD CELLS is fixedly connected with lower bearing bracket, the ground fixed mount fixes on the ground, the ground fixed mount is executed heavily press rods by the pressurization screw rod, and press rods is executed heavily the analog wheel device of tyre by upper spider, LOAD CELLS and lower bearing bracket successively; Damping force loads and pick-up unit comprises braking pressuring machine and power sensor, the braking pressuring machine passes to brake gear to damping force, the power sensor is connected with brake gear, the size of damping force is by power sensor outputting analog signal, simulating signal is uploaded to computing machine after processing by single-chip microcomputer, the damping force when computing machine calculates and demonstrate damping force upcurve and maximum braking force and dynamic wheel load.
2. the wheeled calibrating instrument of roller counter-force type automobile brake inspection bench portable dynamic according to claim 1, it is characterized in that: described analog wheel device of tyre comprises front-wheel, trailing wheel, front rotary shaft, rear rotating shaft and bearing seat, front-wheel is fixedly connected with rear rotating shaft with front rotary shaft respectively with trailing wheel, front rotary shaft be connected rotating shaft transmission and connect, front rotary shaft and rear rotating shaft are contained on bearing seat, and bearing seat is fixedly connected with lower bearing bracket; Described front-wheel and trailing wheel are placed between the front roll and back roll of roller counter-force type automobile brake inspection bench.
3. the wheeled calibrating instrument of roller counter-force type automobile brake inspection bench portable dynamic according to claim 1 and 2, it is characterized in that: described LOAD CELLS is provided with four, be contained in respectively on four angles of lower bearing bracket, LOAD CELLS is measured wheel to the dynamic normal pressure of roller counter-force type automobile brake inspection bench when dynamic brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332152 CN202974667U (en) | 2012-07-03 | 2012-07-03 | Portable dynamic wheel type detecting instrument for roller counterforce type automobile brake check-out console |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332152 CN202974667U (en) | 2012-07-03 | 2012-07-03 | Portable dynamic wheel type detecting instrument for roller counterforce type automobile brake check-out console |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974667U true CN202974667U (en) | 2013-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220332152 Withdrawn - After Issue CN202974667U (en) | 2012-07-03 | 2012-07-03 | Portable dynamic wheel type detecting instrument for roller counterforce type automobile brake check-out console |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974667U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768117A (en) * | 2012-07-03 | 2012-11-07 | 浙江江兴汽车检测设备有限公司 | Portable dynamic wheel type calibrator for roller opposite force type automobile brake inspection bench |
| CN103344382A (en) * | 2013-07-09 | 2013-10-09 | 浙江省计量科学研究院 | Roller counterforce type automobile brake inspection table dynamic braking force two-wheeled calibrating instrument |
| CN107687950A (en) * | 2017-09-30 | 2018-02-13 | 广西玉柴机器股份有限公司 | A kind of convenient detection method and device of load sensor dynamic property |
| CN108507799A (en) * | 2018-03-21 | 2018-09-07 | 郑州拽亘电子科技有限公司 | A kind of calibrating installation for brake inspection platform |
-
2012
- 2012-07-03 CN CN 201220332152 patent/CN202974667U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768117A (en) * | 2012-07-03 | 2012-11-07 | 浙江江兴汽车检测设备有限公司 | Portable dynamic wheel type calibrator for roller opposite force type automobile brake inspection bench |
| CN102768117B (en) * | 2012-07-03 | 2015-04-15 | 浙江江兴汽车检测设备有限公司 | Portable dynamic wheel type calibrator for roller opposite force type automobile brake inspection bench |
| CN103344382A (en) * | 2013-07-09 | 2013-10-09 | 浙江省计量科学研究院 | Roller counterforce type automobile brake inspection table dynamic braking force two-wheeled calibrating instrument |
| CN107687950A (en) * | 2017-09-30 | 2018-02-13 | 广西玉柴机器股份有限公司 | A kind of convenient detection method and device of load sensor dynamic property |
| CN108507799A (en) * | 2018-03-21 | 2018-09-07 | 郑州拽亘电子科技有限公司 | A kind of calibrating installation for brake inspection platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |